Protective covering for blow-off pipes of steam-boilers and the like.



J. BEATTIE.

PROTECTIVE COVERING FOR BLOW-0H PIPES 0F STEAM BOILERS AND THE LIKE.

APPLIOATIOK FILED JUNE 17, 1908.

Patented Mar. 9, 1909.

To all whom it may concern:

UNITED sirATEs PATENT. OFFICE.

JAMES BEATTIE, OF MIDDLETOWN, CONNECTICUT, ASSIGNOR OF ONE-HALF TODENNIS OBRIEN, OF MIDDLETOWN, CONNECTICUT.

PROTECTIVE COVERING FOB BLOW-OFF PTPES OF STEAM-BOILERS AND THE LIKE.

No. 915,059. Specification of Application filed June 17,

Be it lcnown that I, JAMES BEATTIE, a citizen of the United States, anda resident of Middletown, in the county of Middlesex and State ofConnecticut, have invented certain new and useful Im rovements inProtective Covers for Blow-O Pipes of Steam-Boilers and the Like, ofwhich the following is a specification.

The object of my invention is to provide a protective coverjor the blowoff pi es of steam boilers to protect them from t e fire and so preventthem from being burned out. The device also might be used in other caseswhere a protective cover of this character is desired and I do not wishto be understood as limiting my invention to any particular use.

In the drawings-Figure 1 is a plan view of my casing. Fig. 2 is a sideview thereof. The device illustrated in the drawings com rises acylindrical or tubular casing of solir metal made u as shown, in twoparts, a I), having interloc 1n lugs c d at their abutting edges, saidlugs iavin o positely inclined engaging surfaces 0 w hich tend to drawthe sections securely together. Studs eproject from the surface of thecasing, some o them being enlarged at their ends, as indicated at e, inorder to hold in place the nonconducting compound f with which theeasing is covered.

Casings embodying my invention can be applied to curved pipes and elbowsas well as to straight pipes.

I claim 1. A protective casing for steam pipes and j Patented March 9,1909.

nal sections, interlocking lugs on the abut-' 1n ed es of said sectionshaving oppositely inc ine engaging faces, studs projecting from thesurface of said casing, and a nonconducting compound surrounding saidcasing and said studs.

3. A protective casing for steam ipes and the like made up of solidmetallic ongitudi nal sections, means for securing said sectionstogether, studs projecting from the surface of said casing and havingenlarged ends, and a non-conductin compound surrounding said casing andsai studs.

4. A protective casing for steam pipes and the like tubular in form andmade up of solid metallic lon itudinal sections, interlocking lugs atthe e ge of each section overlying the abutting edge of the othersection, said lugs having oppositely inclined engaging faces, studs proectin from the exterior surface of said casing, and a non-conductingcompound surroundin said casin and said projections, substantial y asdescri )ed.

JAMES BEATTIE.

Witnesses:

DENIS ()BR1EN,. THOMAS W. OKEEFE.

